SKF NA 4909.2RS 45mm I.D Needle Roller Bearing Needle Roller Bearing, 68mm O.D

This needle roller bearing is designed for high performance in demanding applications. The SKF needle roller bearing features a robust steel construction, with an inside diameter of 45mm and an outside diameter of 68mm. With a race width of 23 mm, this bearing combines a slim profile with a high load capacity, optimising efficiency in various industrial settings.

• High dynamic load rating of 45kN to support heavy loads
• Steel needle roller bearing provides enhanced durability
• Designed with a sheet metal cage for improved stability
• Single-row configuration optimises radial space efficiency
• Limiting speed of 3800 r/min for versatile application use
• Ideal for automation, electronics, and mechanical industries

• Used for machinery requiring compact and high load capacity bearings
• Suitable for with limited space and high dynamic demands
• Ideal for electrical assemblies and electronic devices
• Used for automotive and industrial equipment for reliable operation

The static load rating of 64kN indicates maximum load capacity without deformation, while the dynamic load rating of 45kN reflects the maximum load it can sustain during rotational operations, crucial for ensuring longevity in rotating equipment.

The sheet metal cage offers a combination of lightweight construction and strength, ensuring the rollers remain optimally spaced for efficient motion while reducing friction and wear, contributing to overall performance longevity.

It can typically operate within a range defined by environmental conditions, ensuring consistent performance under standard operational temperatures. This versatility is ideal for various applications in different industrial settings.

Installation should be performed ensuring proper alignment with shaft and housing tolerances to reduce initial wear. Regular inspection for lubrication levels and clearance adjustments helps maintain optimal function throughout its lifespan.